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GeoGebra interactive worksheets for cosθ

GeoGebra-Math247

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You do NOT need to install GeoGebra to do the activities - just click on them and they will work! (you need SunJava just like for the Mathcasts...)

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Step 1: Defines cos(θ) as a trigonometric ratio for a right-triangle for angles θ between 0° and 90°
       ....coming soon :)...

Step 2. Defines function cos(θ) for angles θ between 0° and 360°.


Step 3. Defines function cos(θ) for all angles (in degrees).


Step 4. Defines function y=cos(x) for x in radians.